If you need to present in an online meeting, show your PowerPoint slides right from the Microsoft Teams meeting menu.
If you're a presenter
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Select Share.
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Choose a presentation under the PowerPoint category.
If you're a meeting participant
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Select Navigate forward to move forward in a presentation without interrupting the presenter.
Note: The presenter must share the file from the PowerPoint category in order for participants to skip around during a presentation.
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Select To presenter to sync your view back to the presenter's when you want.
Source: Microsoft